prime mover

短语

[机] 原动机

词形变化

prime movers 复数 prime movers

释义与例句

n.
  1. 1.

    The initial agent that is the cause of all things.

    哲学
  2. 2.

    A machine, such as a water wheel or steam engine, that receives and modifies energy as supplied by some natural source or fuel and transforms it into mechanical work

  3. 3.

    Tractor unit. Or, more specifically, the front part of a semi-trailer type truck, i.e., the tractor to which the trailer part attaches.

    汽车 交通
  4. 4.

    A military or heavy construction vehicle.

    美国
  5. 5.

    A person or thing that is seminal and influential.

词汇关系

名词

同义词 2

first cause primum mobile

上位词 1

cause

词源

Originally in translation of Latin primum mobile.

来源：wiktionary